vmalloc: remove vmalloc_sync_all() from alloc_vm_area()

There's no need for it: it will get faulted into the current pagetable
as needed.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 5d60302..fdf4b1e 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2148,10 +2148,6 @@ struct vm_struct *alloc_vm_area(size_t size)
 		return NULL;
 	}
 
-	/* Make sure the pagetables are constructed in process kernel
-	   mappings */
-	vmalloc_sync_all();
-
 	return area;
 }
 EXPORT_SYMBOL_GPL(alloc_vm_area);